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RP402K521C-TR PDF预览

RP402K521C-TR

更新时间： 2024-09-15 18:32:39
品牌 Logo 应用领域
理光 - RICOH 开关光电二极管
页数 文件大小 规格书
50页 3195K
描述
Switching Regulator, Current-mode, 1380kHz Switching Freq-Max, CMOS, PDSO8, DFN-8

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RP402K521C-TR 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：DFN-8Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.61其他特性：ALSO REQUIRE FM CONTROL TECHNIQUE
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：CURRENT-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：4.8 V
最小输入电压：0.6 V标称输入电压：1.5 V
JESD-30 代码：S-PDSO-N8JESD-609代码：e4
长度：2 mm湿度敏感等级：1
功能数量：1端子数量：8
最高工作温度：85 °C最低工作温度：-40 °C
标称输出电压：5.2 V封装主体材料：PLASTIC/EPOXY
封装代码：HVSON封装形状：SQUARE
封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：NOT SPECIFIED
座面最大高度：0.6 mm表面贴装：YES
切换器配置：BOOST最大切换频率：1380 kHz
技术：CMOS温度等级：INDUSTRIAL
端子面层：Gold (Au)端子形式：NO LEAD
端子节距：0.5 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：2 mm
Base Number Matches：1

RP402K521C-TR 数据手册

 浏览型号RP402K521C-TR的Datasheet PDF文件第2页浏览型号RP402K521C-TR的Datasheet PDF文件第3页浏览型号RP402K521C-TR的Datasheet PDF文件第4页浏览型号RP402K521C-TR的Datasheet PDF文件第5页浏览型号RP402K521C-TR的Datasheet PDF文件第6页浏览型号RP402K521C-TR的Datasheet PDF文件第7页 
RP402x Series  
High Efficiency Small Packaged Step-up DC/DC Converter  
NO.EA-317-150121  
OUTLINE  
The RP402x is a CMOS-based high efficiency step-up DC/DC converter with synchronous rectifier. The device  
can start up with low voltage of typically 0.7 V which is ideal for the applications powered by either one-cell or  
two-cell alkaline, nickel-metal-hydride (NiMH) or one-cell Lithium-ion (Li+) batteries.  
Internally, the RP402x consists of an oscillator, a reference voltage unit with soft start, a chip enable circuit, an  
error amplifier, phase compensation circuits, a slope circuit, a PWM control circuit, a start-up circuit, a  
PWM/VFM mode control circuit, internal switches and protection circuits.  
The RP402x is employing synchronous rectification for improving the efficiency or rectification by replacing  
diodes with built-in switching transistors. Using synchronous rectification not only increases circuit performance  
but also allows a design to reduce parts count.  
The RP402x is available in either internally fixed output voltage type or adjustable output voltage type. The  
RP402xxxxx is the internally fixed output voltage type. The RP402x00xx is the adjustable output voltage type,  
which allows output voltages that range from 1.8 V to 5.5 V via an external divider resistor.  
The RP402x provides the forced PWM control and the PWM/VFM auto switching control. Either one of these  
can be selected by inputting a signal to the MODE pin. The forced PWM control switches at fixed frequency  
rate in low output current in order to reduce noise. Likewise, the PWM/VFM auto switching control automatically  
switches from PWM mode to VFM mode in low output current in order to achieve high efficiency. The RP402N  
is available in the PWM/VFM auto switching control. However, the RP402N is also available in the forced PWM  
control as a custom-designed IC*1.  
The RP402x has a soft-start time of typically 0.5 ms.  
The RP402x features the complete output disconnect shutdown option and the input-to-output bypass  
shutdown option. The RP402xxxxA/ B/ E/ F incorporates the complete output disconnect shutdown option,  
which allows the output to be disconnected from the input. The RP402xxxxC/ D/ G/ H incorporates the input-  
to-output bypass shutdown option, which allows the output to be connected to the input.  
The RP402x is protected against damage by a short-current protection, an over-voltage lockout, an over  
voltage protection, an anti-ringing switch and a latch-type protection. An anti-ringing switch prevents the  
occurrence of noise when an inductor current reaches a discontinuous mode. The latch-type protection can  
be released by switching the CE pin from high to low.  
The RP402x is offered in a compact 5-pin SOT23-5*1 package or a 8-pin DFN(PLP)2020-8 package.  
*1 As for the custom-designed IC, please contact our sales representatives.  
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